HIGHCVSS 7.8Actively exploited · CISA KEV since 2026-05-01Vulnerability

CVE-2026-31431

Linux Kernel contains an incorrect resource transfer between spheres vulnerability that could allow for privilege escalation.

Properties

Euvd product
Linux
Vulnerability name
Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability
First seen
2026-10-15T01:16:12+00:00
Cvss score
7.8
Epss score
0.03437
Last seen
2026-10-19T12:00:27+00:00
Due date
2026-05-15
Euvd assigner
Linux
Retrieved at
2026-10-21T01:24:49+00:00
Exploited euvd since
2026-05-01T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2026-05-01
Euvd base score version
3.1
Score
7.8
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Linux
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
7.8

Related Entities (216 · showing 31)

AFFECTS_PRODUCT (205 · showing 20)

→[Product]cpe:2.3:o:suse:basesystem_module:15:sp2:*:*:*:suse_linux_enterprise:*:*
→[Product]cpe:2.3:h:siemens:simatic_hmi_mtp1900:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:siemens:simatic_cn_4100:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:siemens:simatic_hmi_unified_comfort_panels_firmware:21.0:update_2:*:*:*:*:*:*
→[Product]cpe:2.3:h:siemens:simatic_iot2050_advanced:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:siemens:simatic_cn_4100_firmware:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:siemens:simatic_s7-1500_tm_mfp_firmware:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:siemens:simatic_ipc_ied-os:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:siemens:simatic_hmi_mtp2200:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:siemens:simatic_hmi_mtp1500:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:siemens:simatic_hmi_unified_comfort_panels_firmware:21.0:update_1:*:*:*:*:*:*
→[Product]cpe:2.3:o:siemens:simatic_iot2050_advanced_firmware:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:siemens:simatic_hmi_mtp1000:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:siemens:simatic_hmi_unified_comfort_panels_firmware:21.0:-:*:*:*:*:*:*
→[Product]cpe:2.3:a:siemens:simatic_ax_runtime:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:siemens:simatic_hmi_mtp1200:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:siemens:simatic_hmi_mtp700:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:siemens:simatic_hmi_unified_comfort_panels_firmware:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:siemens:simatic_s7-1500_tm_mfp_firmware:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:siemens:siplus_s7-1500_cpu_1518-4_pn\/dp_mfp:-:*:*:*:*:*:*:*

MENTIONED_IN (7)

→[Campaign]PhantomRaven Wave 5: New Undocumented NPM Supply Chain Campaign Targets DeFi, Cloud, and AI Developers
→[Campaign]Threat Overview: NetScaler Zero Days CVE-2026-88771 and CVE-2026-88772 Being Exploited in Production Environments (Updated September 30)
→[Campaign]KATARU: IoT Malware Adopts Public LPE Exploits
→[Campaign]Breaking the code: Multi-stage 'code of conduct' phishing campaign leads to AiTM token compromise
→[Campaign]Threat Brief: Exploitation of PAN-OS Captive Portal Zero-Day for Unauthenticated Remote Code Execution
→[Campaign]ClickFix campaign uses fake macOS utilities lures to deliver infostealers
→[Campaign]Thailand's Ministry of Finance Targeted With Hermes AI Agent Running Unattended, Hades Implant Staged

HAS_WEAKNESS (2)

→[Weakness]Improper Validation of Consistency within Input
→[Weakness]Incorrect Resource Transfer Between Spheres

DESCRIBES (1)

←[KEVEntry]Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability

INVOLVES (1)

←[Signal]kev_added · 2026-05-01

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CVE-2026-31431 (CVSS 7.8) — Ninja Signal Threat Intelligence | Ninja Signal